Page({

    data:{
        num:100    

    },
    bindKeyInput: function (e) {
        let value = e.detail.value;
        console.log(value);

        this.setData({
            num:value
        })
        

    },
    handleTap:function(e){
        let {num} = e.target.dataset;

       console.log("按钮被点击...");
       console.log(num);
       
    }


})